void updateWithInput()
{
	char input;
	if (_kbhit())
	{
		input = _getch();
		if (input == ' ')
		{
			bullet_x = position_x + 118 / 2 - 15; // 飞机宽度117 , 子弹宽度20
			bullet_y = position_y - 24;
		}
		else if (input == 'a' && position_x > 0)
			position_x -= 20;
		else if (input == 'd' && position_x < Width - 117)
			position_x += 20;
		else if (input == 'w' && position_y > 0)
			position_y -= 20;
		else if (input == 's' && position_y < High - 120)
			position_y += 20;
	}


}